Where are most glucose transporter proteins ("GLUTs") located when levels of the hormone insulin are LOW?
A. inserted into the plasma membrane
B. in the membranes of intracellular vesicles
C. inserted into the nuclear membrane
D. in the endoplasmic reticulum
E. in the liver—They are transported to other cells when glucose levels rise.
B. in the membranes of intracellular vesicles
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If eight alleles exist in a population, what is the maximum number of copies a normal individual is expected to have?
A. 8 B. 5 C. 4 D. 3 E. 2
Alcohol-based hand sanitizers specifically target lipids, making them most effective when trying to eliminate ________.
A. gram-positives B. viruses C. endospores D. biofilms E. gram-negatives
In Mendel’s experiments, which of the following generated identical F 1 and F 2 offspring ratios?
a. reciprocal crosses b. meiosis c. test crosses d. mitosis
When sodium ions flow into the axon
cytoplasm,
a. the membrane potential reverses. b. the cytoplasm becomes more positively charged. c. the interstitial fluid becomes more negatively charged. d. an action potential is generated. e. all of these things happen